// A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down).

// Write a function to determine if a number is strobogrammatic. The number is represented as a string.

// For example, the numbers "69", "88", and "818" are all strobogrammatic.

public class Solution {

    public boolean isStrobogrammatic(String num) {

        for(int i = 0, j = num.length() - 1; i <= j; i++, j--) {
            
            if(!"00 11 88 696".contains(num.charAt(i) + "" + num.charAt(j))) {
                
                return false;
                
            }
            
        }
        
        return true;
        
    }

}